<template>
    <div class="login-container">
        <div class="login-box">
            <div class="avatart-box">
                <img src="../assets/logo.png" alt="">
            </div>
            <el-form :model="loginForm" :rules="loginFormRules" ref="loginFormRef" class="form-box">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="reset">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规则
      loginFormRules: {
        // 对用户进行校验
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '请输入正确密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // this指向vuecomponent组件的实例对象 然后通过this.$refs.loginFormRef.表单实例对象
    // 重置表单
    reset () {
    //   console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    // 登录验证
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        // console.log(valid)
        const { data: res } = await this.$http.post('/login', this.loginForm)
        // console.log(res)
        if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
        this.$message.success(res.meta.msg)
        console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
    .login-container{
        background-color: #2b4b6b;
        height: 100%;
        .login-box{
            width: 450px;
            height: 300px;
            background-color: #fff;
            border-radius: 3px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            .avatart-box{
                width: 135px;
                height: 135px;
                border:1px solid #eee;
                border-radius: 50%;
                padding: 10px;
                position: absolute;
                left: 50%;
                transform: translate(-50%, -50%);
                background-color: #fff;
                box-shadow: 0 0 10px #eee;
                img{
                    width: 100%;
                    height: 100%;
                    border-radius: 50%;
                    background-color: #ddd;
                }
            }
            .btns{
                text-align: center;
            }
            .form-box{
                position: absolute;
                bottom: 0;
                width: 100%;
                padding: 0 30px;
                box-sizing: border-box;
            }
        }
    }
    /deep/ .el-input__icon{
        margin-left: 4px;
    }
</style>
